More documentation

2017-05-05 15:45:05 +02:00 · 2017-05-05 15:45:05 +02:00 · df8c280d7e
commit df8c280d7e
parent c740a60bf4
1 changed files with 4 additions and 0 deletions
--- a/src/lib.rs
+++ b/src/lib.rs
@ -125,6 +125,10 @@ impl core::iter::FromIterator<f64> for Average {
    }
 }

+/// Assert that two numbers are almost equal to each other.
+///
+/// On panic, this macro will print the values of the expressions with their
+/// debug representations.
 macro_rules! assert_almost_eq {
    ($a:expr, $b:expr, $prec:expr) => (
        if ($a - $b).abs() > $prec {